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| Current File : //proc/self/root/home/ubuntu/node-v16.18.1/test/parallel/test-http-keep-alive-max-requests.js |
'use strict';
const common = require('../common');
const net = require('net');
const http = require('http');
const assert = require('assert');
const bodySent = 'This is my request';
function assertResponse(headers, body, expectClosed) {
if (expectClosed) {
assert.match(headers, /Connection: close\r\n/m);
assert.strictEqual(headers.search(/Keep-Alive: timeout=5\r\n/m), -1);
assert.match(body, /Hello World!/m);
} else {
assert.match(headers, /Connection: keep-alive\r\n/m);
assert.match(headers, /Keep-Alive: timeout=5, max=3\r\n/m);
assert.match(body, /Hello World!/m);
}
}
function writeRequest(socket, withBody) {
if (withBody) {
socket.write('POST / HTTP/1.1\r\n');
socket.write('Connection: keep-alive\r\n');
socket.write('Content-Type: text/plain\r\n');
socket.write(`Content-Length: ${bodySent.length}\r\n\r\n`);
socket.write(`${bodySent}\r\n`);
socket.write('\r\n\r\n');
} else {
socket.write('GET / HTTP/1.1\r\n');
socket.write('Connection: keep-alive\r\n');
socket.write('\r\n\r\n');
}
}
const server = http.createServer((req, res) => {
let body = '';
req.on('data', (data) => {
body += data;
});
req.on('end', () => {
if (req.method === 'POST') {
assert.strictEqual(bodySent, body);
}
res.writeHead(200, { 'Content-Type': 'text/plain' });
res.write('Hello World!');
res.end();
});
});
function initialRequests(socket, numberOfRequests, cb) {
let buffer = '';
writeRequest(socket);
socket.on('data', (data) => {
buffer += data;
if (buffer.endsWith('\r\n\r\n')) {
if (--numberOfRequests === 0) {
socket.removeAllListeners('data');
cb();
} else {
const [headers, body] = buffer.trim().split('\r\n\r\n');
assertResponse(headers, body);
buffer = '';
writeRequest(socket, true);
}
}
});
}
server.maxRequestsPerSocket = 3;
server.listen(0, common.mustCall((res) => {
const socket = new net.Socket();
const anotherSocket = new net.Socket();
socket.on('end', common.mustCall(() => {
server.close();
}));
socket.on('ready', common.mustCall(() => {
// Do 2 of 3 allowed requests and ensure they still alive
initialRequests(socket, 2, common.mustCall(() => {
anotherSocket.connect({ port: server.address().port });
}));
}));
anotherSocket.on('ready', common.mustCall(() => {
// Do another 2 requests with another socket
// enusre that this will not affect the first socket
initialRequests(anotherSocket, 2, common.mustCall(() => {
let buffer = '';
// Send the rest of the calls to the first socket
// and see connection is closed
socket.on('data', common.mustCall((data) => {
buffer += data;
if (buffer.endsWith('\r\n\r\n')) {
const [headers, body] = buffer.trim().split('\r\n\r\n');
assertResponse(headers, body, true);
anotherSocket.end();
socket.end();
}
}));
writeRequest(socket, true);
}));
}));
socket.connect({ port: server.address().port });
}));
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